Solve 120^circ*sin140^circ*sin160^circ

$$120 ^ { \circ } \cdot \sin 140 ^ { \circ } \cdot \sin 160 ^ { \circ }$$

Evaluate

$$89.012973912225348$$

Solution Steps

Evaluate trigonometric functions in the problem

$$120 \cdot 0.7417747826018779$$

Multiply 120 and 0.7417747826018779 to get 89.012973912225348.

$$89.012973912225348$$

Factor

$$\frac{3 \cdot 29 \cdot 255784407793751}{2 ^ {13} \cdot 5 ^ {15}} = 89\frac{3243478056336}{250000000000000} = 89.01297391222535$$